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Finding the Fourth Proportional to 417,693.51, 576,417.57 and 226,706.95

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Solution

The fourth proportional to 417,693.51, 576,417.57 and 226,706.95 is: 312,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,693.51 : 576,417.57 = 226,706.95 : x
  2. Step 2: Convert to fraction form
    417,693.51/576,417.57 = 226,706.95/x
  3. Step 3: Cross multiply
    417,693.51x = 576,417.57 × 226,706.95
  4. Step 4: Simplify right side
    417,693.51x = 130,677,869,091.48
  5. Step 5: Solve for x
    x = 130,677,869,091.48/417,693.51
  6. Step 6: Final answer
    x = 312,855.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.